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A095093 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 1
6 3
7 6
8 12
9 21
10 41
11 77
12 143
13 287
14 530
15 1010
16 1967
17 3711
18 7125
19 13806
20 26525
21 51126 

[0,0,0,1,1,3,6,12,21,41,77,143,287,530,1010,1967,
 3711,7125,13806,26525,51126]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)